Stove or furnace for burning hydrocarbon and other oils



(No Model.) 2 Shets-Sheet 1.

P. MARTIN.

s 'rbvn 0R FURNACE FOR BURNING HYDROGARBON'AND OTHER OILS. No. 258,091.Patented May 16, 1882 0 i c i i v/ a: w i

J H n L I v o I I l I h a I I%II I 5 J i E auzm LLZAJ 11 i'ul/uo Wig r LA j 7 0 WITNESSES V |N\/ENTE|R (N0 Model.) 7 2 Sheefcs-Sheet 2.

P'. MARTIN. STOVE 0R FURNACE FOR BURNING HYDROGARBON AND OTHERv OILS.

No. 258,091; Patented May 16, 1882.

'WITNEEEEE |NVENTUR i UNITE STATES PATENT OFFICE.

PEARL MARTIN, on MEDFORD, ASSIGNOR To THE BOSTON rnTnoLnUM 4 HEATINGCOMPANY, or BOSTON, MASSACHUSETTS.

STOVE OR FURNACE FOR BURNING HYDROCARBON AND OTHER OILS.

SPECIFICATION forming part of Letters Patent No. 258,091, dated May 16,1882.

Application filed J annary 14, 1882. (N model.) I

To all whom it may concern;

Be it known that I, PEARL MARTIN, a citizen of the United States,residing at Medford,

in the county of Middlesex and State of Massachusetts, have inventedcertain Improve ments in Stoves or Furnaces for Burning.

Orude,Refined, or Unrefined Hydrocarbon and other Oils, of which thefollowing is a full, clear, and exact description, reference being IOhad to the accompanying drawings, making part of this specification, inwhich- Figure 1 is a perspective view of the fire-pot of an oil-stoveconstructed in accordance with my invention. Fig. 2 is a plan of thesame with the deflector removed. Fig. 3 is a longiwith the deflectorremoved to show the interior construction. Fig. 6 is a transversesection, enlarged, on the line 00 m of Fig. 3.

My invention relates to certain improve- IIIBII'CSOH the oil-stove forwhich Letters Pat- 2 5 cut of the United States were granted to meJanuary 22,1878, in which the wicks were placed within sheet-metalcasingsor holders adapted to fit within grooves in the inclined sides ofthe fire-pot; and my invention consists 0 in a fire-pot provided with aseries of air-apertures in its sides, located between or at the sides ofthe wick-grooves, these air-apertures being so arranged that those onone side of the fire-pot will be directly opposite to the i wick-groovesupon the other side, by which construction the currents of air enteringthe fire-pot from opposite sides are allowed to pass each other withoutinterference and a rotary or rolling movement of these air-currents thus40 produced, which causes a more perfect admixture of the air with theheavier gases near the bottom of the pot, whereby their combustion ispromoted and the heat intensified.

My invention also consists in the combination, with the air-inletapertures in the sides of the fire-pot, of projecting wings or plates,the surfaces of which form extensions of the sides of the air-apertures,whereby the incoming currents of air are caused to pass over an extendedarea of heated metal, causing the air to be delivered to the interior ofthe pot in a rarefied or highLv-heated state, as is necessary to securethe best results.

My invention also consists in the combination, with a fire-potconstructed as described, of a deflector so arranged as to intercept anddeflect the incoming currents or air down to the bottom of the pot,thereby causing the air to be projected into close proximity with theperforated oil-pipe and become thoroughly and intimately commingled withthe gases rising therefrom, thus insuring their perfect ignition andconsumption. t

My invention also consists in the combination, with a fire-pot providedwith'air-inlet apertures in its sides and a deflector placed 1thereover, of a perforated oil-supply pipe located sufficiently farabove the bottom of the pot to allow of the free passage thereunder ofthe currents of air projected downward by the deflector, whereby theheavier gases from the oil-tube are prevented from settling down andremaining at the bottom of the pot as they become thoroughly mixed withthe constantlymoving currents of air passing under the oilpipe, and amore perfect admixture of air and gases is thus produced, whichstillfurther promotes combustion. V

In the said drawings, A represents thefirepot of an oil-stove, which isof rectangular form, the sides I) being inclined from the top downtoward the center, as shown. Each of these inclined sides bis providedwith a series of grooves or recesses, 0, within each of which is placeda wick, d, composed preferably of cotton, hemp, linen, jute, or othersuitablefibrous material covered with a layer of asbestus. These wicksabsorb the oil which flows from the perforated oil-tube B, which extendsl0ngitudinally along the bottom of the fire-pot, above the bottom ofwhich it is raised, for a purpose to be hereinafter described. The endsof the pipe B are closed, and it is supported in place by a short branchpipe, 0, which communicates therewith and with a pipe, f, leading to theoil-reservoir, (not shown,) and when the wicks are lighted the flamesoon heats the tube B, causing the oil to be convert-ed into gas as itescapes from the perforations 9.

Through each of the sides I) of the tire-pot, between or at the sides ofthe wick-grooves c, are formed a series of air-inlet apertures, 71/,

tary motion of the air is produced which will materially aid itsadmixture with the heavier hydrocarbon gases near the bottom of the pot,which are thus prevented from remaining dead or stationary at thispoint, thus promoting combustion, which beneficial effect would not beproduced if the air-apertures on one side were directly opposite to orin line with those on the other side.

On each side of each air-aperture h are two wings or projections, t k,the former on the inner side of. the pot and the latter on the outerside, these wings servingto materiallyincrease the area of the sides ofthe air-apertures, so that the incoming currents of air are caused topass over an extended area of heated metal, which causes the air to bedelivered to the interior of the pot in a highly-heated state, in whichcondition it is best adapted to be mixed with the gases therein toproduce the maximum degree of heat, and all liability of the combustionbeing checked or retarded by the entrance of cold air is thus entirelyavoided.

Within the top of the fire-pot A is fitted a rectangular top or frame,D, which is provided on each of its longer sides with adownwardlyinclined plate or deflector, E, these plates being so arrangedas to intercept the currents of air entering by the inlet apertures h,and thus cause the air to be deflected or projected downward to thebottom of the pot into close proximity with the perforated oil-tube B,where it becomes thoroughly and intimately mixed in the properproportions with the gases rising as they are constantly stirred up andthoroughly mixed with the currents of air passing under the oil-tube,which would not be the case it the latter rested directly upon thebottom of the pot, and consequently the combus- 55 tion is still furtherpromoted and the heat greatly intensified.

What I claim as my invention, and desire to secure by Letters Patent,is-

1. In an oil stove or furnace, the combination, with a fire-pot, A,having its sides grooved for the reception of wicks, of a series ofairinlet apertures, h, located in its sides between or at the sides ofthe Wick-grooves, and so arranged that each aperture h on one side ofthe fire-pot will be directly opposite to or in line with a wick-groove,c, on the other side of the pot, substantially as and for the purposeset forth.

2. In an oil stove or furnace, the combination, with the air-inletapertures h in the sides of the fire-pot A, of the projecting wings orplates 11 k, adapted to increase the surface area of the sides of theair-apertures, for the purpose of imparting additional heat to the airentering the fire-pot, substantially as described.

3. In an oil stove or furnace, the combination, with a fire-pot havingits side or sides grooved for the reception of wicks and a series ofair-inlet apertures located in its sides between or at the sides of thewick-grooves, of a a deflector so arranged as to intercept and deflectthe incoming currents of air down to the bottom of the fire-pot intoclose proximity with the perforated oil-pipe, substantially in themanner and for the purpose set forth. 4.. In an oil stove or furnace,the combina- Witness my hand this 9th day of January, 5

PEARL MARTIN. In presence of P. E TEsOHEMAClflER, W. J. CAMBRIDGE. 4

